In The Netherlands , there was from August 21, 1891 to May 9, 1894 the cabinet Van Tienhoven, with Mr. G. van Tienhoven (unie-liberaal) as prime minister.
January 6 » The Washington National Cathedral is chartered by Congress. The charter is signed by President Benjamin Harrison.
March 1 » Electrical engineer Nikola Tesla gives the first public demonstration of radio in St. Louis, Missouri.
April 1 » The rank of Chief Petty Officer in the United States Navy is established.
June 13 » Grover Cleveland notices a rough spot in his mouth and on July 1 undergoes secret, successful surgery to remove a large, cancerous portion of his jaw; the operation was not revealed to the public until 1917, nine years after the president's death.
July 9 » Daniel Hale Williams, American heart surgeon, performs the first successful open-heart surgery in United States without anesthesia.
July 22 » Katharine Lee Bates writes "America the Beautiful" after admiring the view from the top of Pikes Peak near Colorado Springs, Colorado.
Day of marriage May 28, 1921
The temperature on May 28, 1921 was between 5.6 °C and 16.7 °C and averaged 10.9 °C. There was 5.5 hours of sunshine (34%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the southwest. Source: KNMI
In The Netherlands , there was from September 9, 1918 to September 18, 1922 the cabinet Ruys de Beerenbrouck I, with Jonkheer mr. Ch.J.M. Ruys de Beerenbrouck (RKSP) as prime minister.
January 20 » The British K-class submarine HMS K5 sinks in the English Channel; all 56 on board die.
January 20 » The first Constitution of Turkey is adopted, making fundamental changes in the source and exercise of sovereignty by consecrating the principle of national sovereignty.
February 22 » After Russian forces under Baron Roman von Ungern-Sternberg drive the Chinese out, the Bogd Khan is reinstalled as the emperor of Mongolia.
June 15 » Bessie Coleman earns her pilot's license, becoming the first female pilot of African-American descent.
July 11 » Former president of the United States William Howard Taft is sworn in as 10th chief justice of the U.S. Supreme Court, becoming the only person ever to hold both offices.
September 7 » The Legion of Mary, the largest apostolic organization of lay people in the Catholic Church, is founded in Dublin, Ireland.
Day of death December 12, 1976
The temperature on December 12, 1976 was between 1.1 °C and 5.7 °C and averaged 3.8 °C. There was 0.2 mm of rain during 0.1 hours. There was 0.4 hours of sunshine (5%). The partly or heavily clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the north-northwest. Source: KNMI
In The Netherlands , there was from Friday, May 11, 1973 to Monday, December 19, 1977 the cabinet Den Uyl, with Drs. J.M. den Uyl (PvdA) as prime minister.
January 5 » The Khmer Rouge proclaim the Constitution of Democratic Kampuchea.
February 6 » In testimony before a United States Senate subcommittee, Lockheed Corporation president Carl Kotchian admits that the company had paid out approximately $3 million in bribes to the office of Japanese Prime Minister Kakuei Tanaka.
July 2 » End of South Vietnam; Communist North Vietnam annexes the former South Vietnam to form the unified Socialist Republic of Vietnam.
July 25 » Viking program: Viking 1 takes the famous Face on Mars photo.
September 6 » Cold War: Soviet Air Defence Forces pilot Viktor Belenko lands a Mikoyan-Gurevich MiG-25 jet fighter at Hakodate in Japan and requests political asylum in the United States; his request is granted.
September 21 » Orlando Letelier is assassinated in Washington, D.C. He had been a member of the former Chilean Marxist government.
When copying data from this family tree, please include a reference to the origin: Hans Weening, "Family tree Weening", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-weening/I182544.php : accessed October 19, 2026), "Jettine Marie de Boer (1893-1976)".
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